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Ascendance of a Bookworm S2E21 — Ruelle Rechallenge
Ascendance of a Bookworm•Season 2•Episode 21

Ruelle Rechallenge

Sep 12, 202624 min
Discussion

Rosemyne tries to gather the ruelle fruit once again. This time Ferdinand and Karstedt join to ensure success.

Directed byChen Xiaocan
Written byMariko Kunisawa
Previous episodeE20 · Georgine's VisitNext episodeE22 · Wilfried's Actions
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Seasons2

All12

Season 2 Episodes24

I've Become a Noble stillE1 7.5

I've Become a Noble

Lower City Family Reunion stillE2 7.6

Lower City Family Reunion

Archduke's Castle and Italian Restaurant stillE3 7.6

Archduke's Castle and Italian Restaurant

How to Collect Donations stillE4 7.9

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Concert Preparations stillE5 7.5

Concert Preparations

Harspiel Concert stillE6 7.2

Harspiel Concert

Hasse's Monastery stillE7 7.4

Hasse's Monastery

Ferdinand's Task stillE8 7.8

Ferdinand's Task

Wilfried's Day as High Bishop stillE9 7.6

Wilfried's Day as High Bishop

First Material Gathering stillE10 7.7

First Material Gathering

The Gathering of Gutenbergs stillE11 8.0

The Gathering of Gutenbergs

The Winter Social Season and Debut stillE12 8.1

The Winter Social Season and Debut

Winter Material Gathering stillE13 7.0

Winter Material Gathering

Hasse's Punishment stillE14 8.0

Hasse's Punishment

Night of Fruhtrane stillE15 7.0

Night of Fruhtrane

New Dress and Printing Press stillE16 7.0

New Dress and Printing Press

Holding the Fort During the Archduke Conference stillE17

Holding the Fort During the Archduke Conference

Damuel's Proposal stillE18

Damuel's Proposal

Inspection of Illgner and Gathering of Summer stillE19

Inspection of Illgner and Gathering of Summer

Georgine's Visit stillE20

Georgine's Visit

Ruelle Rechallenge stillE21Now viewing

Ruelle Rechallenge

Wilfried's Actions stillE22

Wilfried's Actions

Charlotte's Baptism stillE23

Charlotte's Baptism

Rescue stillE24

Rescue

Cast2

Yuka Iguchi

Yuka Iguchi

Main (voice)

Show Hayami

Show Hayami

Ferdinand (voice)

Crew12

Mariko Kunisawa

Mariko Kunisawa

Writer

Y

Yasuyuki Noda

Supervising Animation Director

A

Atsuko Nakajima

Supervising Animation Director

Moka Kamishiraishi

Moka Kamishiraishi

Theme Song Performance

Kana Nishino

Kana Nishino

Theme Song Performance

C

Chen Xiaocan

Storyboard Artist

C

Chen Xiaocan

Director

R

Ryota Niino

Animation Director

Y

Yuriko Nagaya

Animation Director

M

Miyuki Nakamura

Animation Director

K

Kim Hyeon‑min

Production Assistant

K

Kyohei Ebata

Key Animation

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Episode Summary

"Ruelle Rechallenge" is episode 21 of Ascendance of a Bookworm season 2. Directed by Chen Xiaocan and written by Mariko Kunisawa, it aired on September 12, 2026.

Next: E22 · Wilfried's ActionsBest of Season 2